| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Libya | 56.3779371892049 | 2021 |
| 2 | Iraq | 42.7870984915076 | 2021 |
| 3 | Congo, Rep. | 34.3828809069635 | 2021 |
| 4 | Angola | 28.2744398825844 | 2021 |
| 5 | Saudi Arabia | 23.6862940574499 | 2021 |
| 6 | Oman | 23.5387435070386 | 2021 |
| 7 | Guyana | 22.0821753098304 | 2021 |
| 8 | Azerbaijan | 20.983375083624 | 2021 |
| 9 | Iran, Islamic Rep. | 18.2658980929233 | 2021 |
| 10 | Chad | 16.7515661611417 | 2021 |
| 11 | United Arab Emirates | 15.6730945329946 | 2021 |
| 12 | Gabon | 15.5565091491463 | 2021 |
| 13 | Qatar | 15.2784667126988 | 2021 |
| 14 | Equatorial Guinea | 14.9400221325798 | 2021 |
| 15 | Kazakhstan | 14.8448016221428 | 2021 |
| 16 | Algeria | 14.4615654623053 | 2021 |
| 17 | Bahrain | 10.9376756365994 | 2021 |
| 18 | Brunei Darussalam | 10.3734034426076 | 2021 |
| 19 | Russian Federation | 9.67159402978612 | 2021 |
| 20 | Suriname | 7.93252614181898 | 2021 |
| 21 | Ecuador | 6.40325083301788 | 2021 |
| 22 | Nigeria | 6.24674969005013 | 2021 |
| 23 | Norway | 6.06347788332955 | 2021 |
| 24 | Timor-Leste | 5.29715520859989 | 2021 |
| 25 | Ghana | 4.05501917796431 | 2021 |
| 26 | Colombia | 3.42402487593374 | 2021 |
| 27 | Sudan | 3.30226845710475 | 2021 |
| 28 | Egypt, Arab Rep. | 2.98581458250197 | 2021 |
| 29 | Canada | 2.82978528865474 | 2021 |
| 30 | Trinidad and Tobago | 2.71054174202227 | 2021 |
| 31 | Brazil | 2.60445733698427 | 2021 |
| 32 | Cameroon | 2.36159953238547 | 2021 |
| 33 | Mexico | 2.06594374719816 | 2021 |
| 34 | Papua New Guinea | 1.87502650776602 | 2021 |
| 35 | Malaysia | 1.84561185301968 | 2021 |
| 36 | Tunisia | 1.5489621013289 | 2021 |
| 37 | Argentina | 1.54438228879011 | 2021 |
| 38 | Mongolia | 1.49715573696848 | 2021 |
| 39 | Bolivia | 1.26335187425347 | 2021 |
| 40 | Albania | 1.04218369204761 | 2021 |
| 41 | Estonia | 0.962229214145247 | 2021 |
| 42 | Uzbekistan | 0.867176370586835 | 2021 |
| 43 | Belarus | 0.81410582144289 | 2021 |
| 44 | Indonesia | 0.766028339629635 | 2021 |
| 45 | Cote d'Ivoire | 0.70017290136454 | 2021 |
| 46 | Viet Nam | 0.669314214664457 | 2021 |
| 47 | Congo, Dem. Rep. | 0.649836903019219 | 2021 |
| 48 | Niger | 0.622678205533793 | 2021 |
| 49 | United States | 0.61148265568772 | 2021 |
| 50 | Thailand | 0.481657874747012 | 2021 |
| 51 | Serbia | 0.42442078759101 | 2021 |
| 52 | United Kingdom | 0.416142083269318 | 2021 |
| 53 | South Africa | 0.395954206545834 | 2021 |
| 54 | Pakistan | 0.380197434318265 | 2021 |
| 55 | Romania | 0.378228984068352 | 2021 |
| 56 | India | 0.325610194100608 | 2021 |
| 57 | Barbados | 0.309362900191603 | 2021 |
| 58 | China | 0.308578757061099 | 2021 |
| 59 | Jamaica | 0.294903461359937 | 2021 |
| 60 | Tajikistan | 0.287161792744173 | 2021 |
| 61 | Croatia | 0.280358036189526 | 2021 |
| 62 | Belize | 0.280281956428533 | 2021 |
| 63 | Ukraine | 0.279676988011674 | 2021 |
| 64 | Denmark | 0.270290117190291 | 2021 |
| 65 | Australia | 0.264201375268924 | 2021 |
| 66 | Peru | 0.249104440244954 | 2021 |
| 67 | Hungary | 0.183887560301271 | 2021 |
| 68 | Turkiye | 0.13797082409881 | 2021 |
| 69 | Guatemala | 0.118140036355359 | 2021 |
| 70 | New Zealand | 0.102256581182383 | 2021 |
| 71 | Madagascar | 0.0838298700394072 | 2021 |
| 72 | Kyrgyz Republic | 0.0824296570356698 | 2021 |
| 73 | Mozambique | 0.0793125662089328 | 2021 |
| 74 | Italy | 0.077005203060734 | 2021 |
| 75 | Paraguay | 0.0729632593043703 | 2021 |
| 76 | Latvia | 0.0653994018600052 | 2021 |
| 77 | Myanmar | 0.0627970227865469 | 2021 |
| 78 | Portugal | 0.0518131827535177 | 2021 |
| 79 | Zimbabwe | 0.0477688089316108 | 2021 |
| 80 | Finland | 0.0456314892036643 | 2021 |
| 81 | Poland | 0.0413524772617714 | 2021 |
| 82 | Cambodia | 0.0410317572268778 | 2021 |
| 83 | Austria | 0.0378037868173202 | 2021 |
| 84 | Philippines | 0.0341868982411901 | 2021 |
| 85 | Bangladesh | 0.0315771885826906 | 2021 |
| 86 | Belgium | 0.0312735679835233 | 2021 |
| 87 | Georgia | 0.0292949219912809 | 2021 |
| 88 | Korea, Rep. | 0.0283124162355571 | 2021 |
| 89 | Sweden | 0.0272391808431431 | 2021 |
| 90 | Netherlands | 0.024399192645775 | 2021 |
| 91 | Nicaragua | 0.0205645534300319 | 2021 |
| 92 | Bulgaria | 0.0193926462885907 | 2021 |
| 93 | Afghanistan | 0.0178695056581909 | 2021 |
| 94 | Lithuania | 0.015948543146471 | 2021 |
| 95 | Jordan | 0.0143633135367042 | 2021 |
| 96 | Germany | 0.0140349033815617 | 2021 |
| 97 | Chile | 0.0126983242549898 | 2021 |
| 98 | Moldova | 0.0117069637364196 | 2021 |
| 99 | Greece | 0.0116928580271195 | 2021 |
| 100 | Israel | 0.0115224616168168 | 2021 |
| 101 | Uruguay | 0.00971591519832361 | 2021 |
| 102 | Czechia | 0.00965696429550218 | 2021 |
| 103 | Costa Rica | 0.00896579369125843 | 2021 |
| 104 | France | 0.0071021867060762 | 2021 |
| 105 | Japan | 0.00223132111964285 | 2021 |
| 106 | Ireland | 0.00194465680647297 | 2021 |
| 107 | Slovak Republic | 0.00176348784699933 | 2021 |
| 108 | Honduras | 0.00101153040386899 | 2021 |
| 109 | Morocco | 0.00101118511153249 | 2021 |
| 110 | Switzerland | 0.000512290057871237 | 2021 |
| 111 | Hong Kong SAR, China | 0.00035629289325357 | 2021 |
| 112 | Spain | 0.000151493558291056 | 2021 |
| 113 | El Salvador | 0.000150418698822045 | 2021 |
| 114 | Slovenia | 0.0000290014634526052 | 2021 |
| 115 | American Samoa | 0 | 2021 |
| 116 | Antigua and Barbuda | 0 | 2021 |
| 117 | Armenia | 0 | 2021 |
| 118 | Aruba | 0 | 2021 |
| 119 | Bahamas, The | 0 | 2021 |
| 120 | Benin | 0 | 2021 |
| 121 | Bermuda | 0 | 2021 |
| 122 | Bhutan | 0 | 2021 |
| 123 | Bosnia and Herzegovina | 0 | 2021 |
| 124 | Botswana | 0 | 2021 |
| 125 | Burkina Faso | 0 | 2021 |
| 126 | Burundi | 0 | 2021 |
| 127 | Cabo Verde | 0 | 2021 |
| 128 | Cayman Islands | 0 | 2021 |
| 129 | Central African Republic | 0 | 2021 |
| 130 | Comoros | 0 | 2021 |
| 131 | Cyprus | 0 | 2021 |
| 132 | Djibouti | 0 | 2021 |
| 133 | Dominica | 0 | 2021 |
| 134 | Dominican Republic | 0 | 2021 |
| 135 | Eswatini | 0 | 2021 |
| 136 | Ethiopia | 0 | 2021 |
| 137 | Faroe Islands | 0 | 2021 |
| 138 | Fiji | 0 | 2021 |
| 139 | French Polynesia | 0 | 2021 |
| 140 | Gambia, The | 0 | 2021 |
| 141 | Grenada | 0 | 2021 |
| 142 | Guam | 0 | 2021 |
| 143 | Guinea | 0 | 2021 |
| 144 | Guinea-Bissau | 0 | 2021 |
| 145 | Haiti | 0 | 2021 |
| 146 | Iceland | 0 | 2021 |
| 147 | Kenya | 0 | 2021 |
| 148 | Kiribati | 0 | 2021 |
| 149 | Kosovo | 0 | 2021 |
| 150 | Lao PDR | 0 | 2021 |
| 151 | Lebanon | 0 | 2021 |
| 152 | Lesotho | 0 | 2021 |
| 153 | Liberia | 0 | 2021 |
| 154 | Luxembourg | 0 | 2021 |
| 155 | Macao SAR, China | 0 | 2021 |
| 156 | Malawi | 0 | 2021 |
| 157 | Maldives | 0 | 2021 |
| 158 | Mali | 0 | 2021 |
| 159 | Malta | 0 | 2021 |
| 160 | Mauritania | 0 | 2021 |
| 161 | Mauritius | 0 | 2021 |
| 162 | Montenegro | 0 | 2021 |
| 163 | Namibia | 0 | 2021 |
| 164 | Nauru | 0 | 2021 |
| 165 | Nepal | 0 | 2021 |
| 166 | New Caledonia | 0 | 2021 |
| 167 | North Macedonia | 0 | 2021 |
| 168 | Panama | 0 | 2021 |
| 169 | Puerto Rico | 0 | 2021 |
| 170 | Rwanda | 0 | 2021 |
| 171 | Samoa | 0 | 2021 |
| 172 | Sao Tome and Principe | 0 | 2021 |
| 173 | Senegal | 0 | 2021 |
| 174 | Seychelles | 0 | 2021 |
| 175 | Sierra Leone | 0 | 2021 |
| 176 | Singapore | 0 | 2021 |
| 177 | Solomon Islands | 0 | 2021 |
| 178 | Somalia | 0 | 2021 |
| 179 | Sri Lanka | 0 | 2021 |
| 180 | St. Kitts and Nevis | 0 | 2021 |
| 181 | St. Lucia | 0 | 2021 |
| 182 | St. Vincent and the Grenadines | 0 | 2021 |
| 183 | Tanzania | 0 | 2021 |
| 184 | Togo | 0 | 2021 |
| 185 | Tonga | 0 | 2021 |
| 186 | Turks and Caicos Islands | 0 | 2021 |
| 187 | Uganda | 0 | 2021 |
| 188 | Vanuatu | 0 | 2021 |
| 189 | West Bank and Gaza | 0 | 2021 |
| 190 | Zambia | 0 | 2021 |